此分度圆盘经3 6 0度重复定位研磨，以增加其精准度；蜗轮经热处理以增 加其延展性，蜗轮比为9 0 : 1 .
转动手轮一圈，分度盘圆盘转动4度。
The work table is graduated 360 degree around it s circumference and driven by a precision Worm and gear providing a 90:1 reduction ratio.
One turn of the handle moves the table through 4 degrees . The dial is graduated in division of 1 min .ａnd the vernier scale allows reading down to 10 seconds.
The worm is hardened and precision ground to minimize wear out of the worm gear .
Both the upper and the lower surface of the rotary plates are precision ground.
选购配件
Operational accessories
尾座 Tailstock
蜂巢板 Dividing plate set
三爪 3-jaw chuck
规格表
| 型号 Model | T型沟槽 T Slot mm | 沟槽类型 Slot Type | 中心轴套 Center Sleeve | 蜗轮比 Worm gear Ratio | 立式承载力 Vertical Loading Kg | 卧式承载力 Horizontal Loading Kg | 重量 Weight kg |
|---|---|---|---|---|---|---|---|
| HV-150 | 11 | 3 section | MT-2 | 90︰1 | 20 | 39 | 13 |
| HV-200 | 13 | 6 section | MT-3 | 90︰1 | 44 | 87 | 29 |
| HV-250 | 13 | 6 section | MT-3 | 90︰1 | 62 | 123 | 41 |
| HV-300 | 16 | 6 section | MT-4 | 90︰1 | 98 | 195 | 65 |
| HV-350 | 16 | 6 section | MT-4 | 90︰1 | 147 | 294 | 98 |
| HV-400 | 16 | 6 section | MT-5 | 90︰1 | 195 | 390 | 130 |
| 型号 Model | D | H | A | B | K |
|---|---|---|---|---|---|
| HV-150 | 150 | 92 | 220 | 160 | 18 |
| HV-200 | 200 | 120 | 310 | 225 | 18 |
| HV-250 | 250 | 120 | 320 | 280 | 18 |
| HV-300 | 300 | 140 | 410 | 325 | 18 |
| HV-350 | 350 | 140 | 460 | 380 | 18 |
| HV-400 | 400 | 140 | 510 | 435 | 18 |
